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排序方式: 共有161条查询结果,搜索用时 62 毫秒
1.
Extending Arrow (1963), we show that coinsurance is the optimal insurance scheme if all companies belonging to a chain of reinsurance are risk averse. The extent to which Borch's (1960) theorem and corollary are still valid in this context is investigated. 相似文献
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Luc Lauwers 《International Economic Review》2002,43(4):1369-1371
Sengupta and Sengupta (“Viable Proposals,”International Economic Review 35 (1994), 347–59.) consider a payoff vector of a TU‐game as a viable proposal if it challenges each legitimate contender. They show that for each game the set of viable proposals is nonempty. Their proof, however, has a flaw. I present a proof based upon a result by Kalai and Schmeidler (“An Admissible Set Occurring in Various Bargaining Situations,”Journal of Economic Theory 14 (1977), 402–11) . 相似文献
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Dr. R. Ludwig 《Metrika》1974,21(1):83-126
Summary
Dodge's sampling plan for a continuous production process is determined by two constantsi andk. Under some assumptions about the statistical properties of the production process the average loss due to the costs for inspection and for replacing defective units by good ones is described by a loss function. It is shown that there are always constantsi andk which minimize the loss function in a special sense. Tables of these optimum parameters are computed. 相似文献
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Pension Reform, Capital Markets and the Rate of Return 总被引:1,自引:0,他引:1
Axel Börsch-Supan Florian Heiss Alexander Ludwig Joachim Winter 《The German Economic Review》2003,4(2):151-181
Abstract. This paper discusses the consequences of population aging and a fundamental pension reform – that is, a shift towards more pre‐funding – for capital markets in Germany. We use a stylized closed‐economy, overlapping‐generations model to compare the effects of the recent German pension reform with those of a more decisive reform that would freeze the current pay‐as‐you‐go contribution rate and thus result in a larger funded component of the pension system. We predict rates of return to capital under both reform scenarios over a long horizon, taking demographic projections as given. Our main finding is that the future decrease in the rate of return is much smaller than often claimed in the public debate. Our simulations show that the capital stock will decrease once the baby‐boom generations enter retirement, even if there were no fundamental pension reform. The corresponding decrease in the rate of return, the direct effect of population aging, is around 0.7 percentage points. While the capital market effects of the recent German pension reform are marginal, the rate of return to capital would decrease by an additional 0.5 percentage points under the more decisive reform proposal. 相似文献
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Ludwig Krämer 《Journal of Consumer Policy》1984,7(4):473-485
The paper discusses trends and actions of the European Economic Community (EEC) in the field of consumer safety. EEC law has no fast principle of consumer safety nor special agencies responsible for it. EEC actions are restricted to specific measures, especially in the area of foodstuffs (additives, colouring agents etc.). EEC law suffers a number of deficiencies. There is — with the exception of pharmaceutical products — no regulation on EEC-wide market withdrawals. Member state safety decisions may be in conflict and put strain on the EEC principle of free movement of goods. Certain directives contain only minimum standards and therefore do not make for common safety regulations in the EEC. There are gaps in the information exchange systems among the EEC and member states even though an EEC decision of 1984 improved the situation. The author goes on to make some suggestions for future action.
Ludwig Krämer works at the EC Commission, Directorate General XI (Environment, Consumer Protection, and Nuclear Safety), 10 rue Guimard, B-1049 Brussels, Belgium. The views expressed in this paper are purely personal. 相似文献
Gemeinschaftsaktionen zugunsten der Sicherheit des Verbrauchers unter besonderer Berücksichtigung des Lebensmittelrechts
Zusammenfassung Die Europäischen Gemeinschaften (EG) haben nur begrenzte Kompetenzen im Bereich der Verbrauchersicherheit. Deshalb ist dem EG-Recht ein allgemeines Prinzip unbekannt, das die Sicherheitsinteressen des Verbrauchers produktunabhängig schützt. Vielmehr geht die EG problembezogen vor; das Einstimmigkeitsprinzip und die fehlende Öffentlichkeit erzwingen eine Beschränkung auf sehr konkrete und sehr spezifische Maßnahmen. Umfängliche Regelungen gibt es vor allem im Bereich von Lebensmitteln, insbes. hinsichtlich von Zusatzstoffen.Das EG-Recht weist eine Reihe von Lücken auf. Es fehlt — bis auf die Ausnahme der Arzneimittel — eine Regelung über den Rückruf von Produkten. Konflikte zwischen dem freien Warenverkehr und mitgliedstaatlichen Schutzinteressen aus Gründen tatsächlicher oder vermeintlicher Verbrauchersicherheit sind an der Tagesordnung. Der Informationsaustausch über Produktrisiken ist unzureichend; eine entsprechende Gemeinschaftsinitative erfaßt nicht freiwillige Maßnahmen.Der Beitrag erörtert schließlich die Möglichkeiten für künftige Gemeinschaftsaktionen.The paper is a slightly changed and updated version of a paper given at a seminar in Paris on 8 November 1983, organized by the Association Française pour le Droit de l'Alimentation and dealing with safety and food.
Ludwig Krämer works at the EC Commission, Directorate General XI (Environment, Consumer Protection, and Nuclear Safety), 10 rue Guimard, B-1049 Brussels, Belgium. The views expressed in this paper are purely personal. 相似文献
8.
Johannes Berger Thomas Davoine Philip Schuster Ludwig Strohner 《International Tax and Public Finance》2016,23(6):1160-1184
As life expectancy increases and fertility declines, population aging puts pressure on the financing of welfare states in Europe and other developed countries. Given that immigrant workers are younger than the domestic population, a continuous flow of immigrants reduces the old-age dependency ratio and improves financing. Existing general equilibrium estimates of the public finance contribution of migration, performed with different models, are not comparable across countries and sometimes differ even in sign. We use the same overlapping-generations model with a detailed representation of institutions and labor market activity to provide comparable estimates of the impact of immigration on public finance in four European countries. We find that future projected immigration flows are equivalent to 14.3 % points labor income taxes in Austria, 7.3 points in Germany, 6.2 points in the UK and 1.7 points in Poland in 2060. These differences are due to the projected volume of immigration and institutional setups, among other factors. For comparable volumes of immigration, future flows have largest impact in Germany and smallest in the UK. 相似文献
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